| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a communication network system where different communication networks are integrated by reducing modification or wiring. <P>SOLUTION: This communication network system is provided with a system network system and a master network system, and configured so that the both networks can be integrated. This communication network system is provided with a means for receiving the status information of control object equipment transmitted from the master controller, and for calculating control information based on the status information, and for transmitting the calculated control information to the master controller and a means for transmitting system status information showing the system controller status to the master controller, and for receiving the system control information from the master controller, and for operating based on the system control information. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
